<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<!-- saved from url=(0163)https://mooc1.chaoxing.com/mooc2/work/view?courseId=230023612&classId=66739983&cpi=174773584&workId=24666687&answerId=51837745&enc=b31cd4ef35c1df8ea583bd525681e387 -->
<html xmlns="http://www.w3.org/1999/xhtml">

<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

    <title>作业详情</title>
    <link rel="stylesheet" type="text/css" href="./作业详情_files/pop.css">
    <link rel="stylesheet" type="text/css" href="./作业详情_files/common.css">
    <link rel="stylesheet" type="text/css" href="./作业详情_files/marking_icon.css">
    <link rel="stylesheet" type="text/css" href="./作业详情_files/viewStudent.css">
    <link rel="stylesheet" type="text/css" href="./作业详情_files/taskStudent_pop.css">
    <link rel="stylesheet" type="text/css" href="./作业详情_files/oralTest.css">
    <link href="./作业详情_files/questionBankUsual.css" type="text/css" rel="stylesheet">
    <script type="text/javascript" src="./作业详情_files/jquery.min.js.下载"></script>
    <script type="text/javascript" src="./作业详情_files/jquery-migrate.min.js.下载"></script>
    <script type="text/javascript" src="./作业详情_files/jquery.nicescroll.min.js.下载"></script>
    <script type="text/javascript" src="./作业详情_files/poptoast.js.下载"></script>
    <script type="text/javascript" src="./作业详情_files/poplayout.js.下载"></script>
    <script type="text/javascript" src="./作业详情_files/viewStudent.js.下载"></script>
    <script src="./作业详情_files/attach-mark.js.下载"></script>
    <style>
        .clearfix:after {
            content: " ";
            display: block;
            height: 0px;
            clear: both;
        }
    </style>
</head>

<body style="zoom: 1;">
    <script src="./作业详情_files/preview-attach.js.下载" class="clearfix"></script>
    <link href="./作业详情_files/viewer.min.css" rel="stylesheet" type="text/css">
    <script type="text/javascript" src="./作业详情_files/jquery.md5.js.下载"></script>
    <script type="text/javascript" src="./作业详情_files/viewer-jquery.min.js.下载"></script>
    <script type="text/javascript">
        try {
            $(function() {
                var imgList = $(".TiMu").find("div img:not(.workAttach img, .attach img, .attachNew img, .stuAnswerArea img, .popClose img, .ans-formula-moudle, .no_view)");
                for (var i = 0, len = imgList.size(); i < len; i++) {
                    var src = imgList.eq(i).attr("src");
                    if (src) {
                        var index = src.indexOf("375_1024");
                        if (index != -1) {
                            src = src.replace("375_1024", "origin");
                        }
                        var index2 = src.indexOf("750_1024");
                        if (index2 != -1) {
                            src = src.replace("750_1024", "origin");
                        }
                        imgList.eq(i).attr("data-original", src);
                    }
                }
                $(".TiMu").find("div img:not(.workAttach img, .attach img, .attachNew img, .stuAnswerArea img, .popClose img, .no_view)").viewer({
                    url: 'data-original',
                });
            })
        } catch (error) {}
    </script>

    <input type="hidden" id="courseId" value="230023612">
    <input type="hidden" id="classId" value="66739983">
    <input type="hidden" id="cpi" value="174773584">
    <input type="hidden" id="workId" value="24666687">
    <input type="hidden" id="answerId" value="51837745">
    <input type="hidden" id="enc" value="b31cd4ef35c1df8ea583bd525681e387">
    <input type="hidden" id="creatorId" value="174773584">

    <div class="subNav">作业详情</div>
    <div class="het40"></div>
    <div class="fanyaMarking TiMu" id="fanyaMarking">
        <div class="fanyaMarking_left whiteBg">
            <div class="borderBom padBom20 detailsHead">
                <h2 class="mark_title" tabindex="0">计算机视觉理论3</h2>
                <div class="infoHead fl" tabindex="0">
                    <span>题量: 22</span>
                    <span>满分: 100</span>
                    <div style="margin-top: 10px;margin-left: -9px;">
                        <p class="rightBord">作答时间:<em>12-05 22:59</em>至<em>12-11 00:00</em></p>
                        <a href="./作业详情1.html" class="redo" ><i></i>作业一</a>
                        <a href="./作业详情2.html" class="redo" ><i></i>作业二</a>
                    </div>
                </div>

                <div class="analysisCard fl"><a target="_blank" href="https://stat2-ans.chaoxing.com/study-knowledge/ans?courseid=230023612&amp;cpi=174773584&amp;clazzid=66739983&amp;ut=s&amp;relationId=24666687&amp;type=2"><i></i>智能分析</a></div>
                <div class="clear"></div>

                <span class="resultNum" tabindex="0"><i>100</i>分</span>
            </div>


            <div class="mark_table padTop60">




                <div class="mark_item">
                    <h2 class="type_tit" tabindex="0">一. 单选题（共9题，40.5分）</h2>


                    <div class="marBom60 questionLi" id="question402813153" data="402813153" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">1. <span class="colorShallow">(单选题)</span>如果希望提取图片中某一种或几种特定颜色的物体的轮廓，而不提前其他颜色物体的轮廓，(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)传统的图像处理方法最为合适。</h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. 使用形态学的方法的计算膨胀图像和腐蚀图像的差值</li>
                            <li tabindex="0">B. 使用色彩通道的直方图均衡化后，再查找轮廓</li>
                            <li tabindex="0">C. 转换成HSV色彩空间并进行直方图反向投影</li>
                            <li tabindex="0">D. 直接使用opencv库中的findContours方法就可以</li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> C</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> C</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813154" data="402813154" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">2. <span class="colorShallow">(单选题)</span>感知机的任务顺序是（&nbsp;&nbsp;&nbsp;）。&nbsp;①初始化权重&nbsp;②更新权重&nbsp;③传入数据，得到输出&nbsp;④重复迭代&nbsp;⑤计算预测值与真实值误差</h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. 1,3,5,4,2</li>
                            <li tabindex="0">B. 1,3,2,5,4</li>
                            <li tabindex="0">C. 1,3,5,2,4</li>
                            <li tabindex="0">D. 3,1,5,2,4</li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> C</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> C</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813157" data="402813157" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">3. <span class="colorShallow">(单选题)</span>
                            <p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">下图所示是图像识别中的（</span> &nbsp;<span style="font-family:宋体">）。</span></span>
                            </p>
                            <p><img src="./作业详情_files/d5024d05a5b00be71f78ce4a17a9ec72.png" data-original="https://p.ananas.chaoxing.com/star3/origin/d5024d05a5b00be71f78ce4a17a9ec72.png"><br></p>
                        </h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. <span style="font-family: 宋体; font-size: 14px;">语义分割</span></li>
                            <li tabindex="0">B.
                                <p><span style=";font-family:宋体;font-size:14px">图像分类</span></p>
                                <p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">B</span><span style="font-family:宋体">、</span></span>
                                </p>
                                <p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">C</span><span style="font-family:宋体">、</span></span>
                                </p>
                                <p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">D</span><span style="font-family:宋体">、</span></span>
                                </p>
                                <p><br></p>
                            </li>
                            <li tabindex="0">C. <span style="font-family: 宋体; font-size: 14px;">目标检测</span></li>
                            <li tabindex="0">D. <span style="font-family: 宋体; font-size: 14px;">实例分割</span></li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> C</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> C</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813152" data="402813152" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">4. <span class="colorShallow">(单选题)</span>在做图像审查的过程中，需要判断网络上传的图片是否合规。这个应用属于计算机视觉的哪一类任务（&nbsp;&nbsp;&nbsp;）。</h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. 目标检测</li>
                            <li tabindex="0">B. 语义分割</li>
                            <li tabindex="0">C. 图像分类</li>
                            <li tabindex="0">D. 实例分割</li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> C</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> C</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813158" data="402813158" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">5. <span class="colorShallow">(单选题)</span>
                            <p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">图像阈值变换可以完成图像二值化处理。想达到下图的二值化效果，可能使用的代码是（</span> &nbsp;<span style="font-family:宋体">）。</span></span>
                            </p>
                            <p><img src="./作业详情_files/7ccc4c6e24a93d0d074eb560ccdfdd2c.png" data-original="https://p.ananas.chaoxing.com/star3/origin/7ccc4c6e24a93d0d074eb560ccdfdd2c.png"><br></p>
                        </h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. <span style="font-family: Calibri; font-size: 14px;">ret, thresh3 = cv2.threshold(img, 127, 255, cv2.THRESH_TRUNC)</span></li>
                            <li tabindex="0">B. <span style="font-family: Calibri; font-size: 14px;">ret, thresh5 = cv2.threshold(img, 127, 255, cv2.THRESH_TOZERO_INV)&nbsp;</span></li>
                            <li tabindex="0">C.
                                <p><span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">ret, thresh1 = cv2.threshold(img, 127, 255, cv2.THRESH_BINARY)</span></span>
                                </p>
                                <p><br></p>
                            </li>
                            <li tabindex="0">D. <span style="font-family: Calibri; font-size: 14px;">ret, thresh2 = cv2.threshold(img, 127, 255, cv2.THRESH_BINARY_INV)</span></li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> C</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> C</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813156" data="402813156" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">6. <span class="colorShallow">(单选题)</span>百度AI开放平台接入流程中，在成功登录平台后，需要创建（&nbsp;&nbsp;）之后才可以调用AI服务。</h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. 应用</li>
                            <li tabindex="0">B. 身份</li>
                            <li tabindex="0">C. 服务</li>
                            <li tabindex="0">D. 接口</li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> A</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> A</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813151" data="402813151" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">7. <span class="colorShallow">(单选题)</span>HTTP中某些请求码表示成功时，一般都以（&nbsp;&nbsp;）进行开头。</h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. 2</li>
                            <li tabindex="0">B. 1</li>
                            <li tabindex="0">C. 3</li>
                            <li tabindex="0">D. 4</li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> A</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> A</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813159" data="402813159" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">8. <span class="colorShallow">(单选题)</span>
                            <p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">图像的形态学操作，通常可以用来调整二值化图像的背景噪声。如下图中的处理效果，是采用（</span> &nbsp;&nbsp;&nbsp;<span style="font-family:宋体">）代码完成的。</span></span>
                            </p>
                            <p><img src="./作业详情_files/47589f712f5138f8946d4de51f14a631.png" data-original="https://p.ananas.chaoxing.com/star3/origin/47589f712f5138f8946d4de51f14a631.png"><br></p>
                        </h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. <span style="font-family: Calibri; font-size: 14px;">result = cv2.morphologyEx(img, cv2.MORPH_CLOSE, kernel)</span></li>
                            <li tabindex="0">B. <span style=";font-family:宋体;font-size:14px"><span style="font-family:Calibri">result = cv2.morphologyEx(img, cv2.MORPH_OPEN, kernel);</span></span>
                            </li>
                            <li tabindex="0">C. <span style="font-family: Calibri; font-size: 14px;">result = cv2.morphologyEx(src, cv2.MORPH_TOPHAT, kernel)</span></li>
                            <li tabindex="0">D. <span style="font-family: Calibri; font-size: 14px;">result = cv2.morphologyEx(src, cv2.MORPH_BLACKHAT, kernel)&nbsp;</span></li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> B</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> B</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813155" data="402813155" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">9. <span class="colorShallow">(单选题)</span>构造一个卷积网络来预测一幅图像属于猫或狗，希望输出为该图分别属于猫和狗的概率，输出层的激活函数应使用（&nbsp;&nbsp;&nbsp;）。</h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. Softmax</li>
                            <li tabindex="0">B. Leaky&nbsp;Relu</li>
                            <li tabindex="0">C. Tanh</li>
                            <li tabindex="0">D. Sigmoid</li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> D</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> D</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>
                </div>




                <div class="mark_item">
                    <h2 class="type_tit" tabindex="0">二. 多选题（共9题，40.5分）</h2>


                    <div class="marBom60 questionLi" id="question402813162" data="402813162" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">10. <span class="colorShallow">(多选题)</span>下面关于计算机视觉说法正确的是(&nbsp;&nbsp;&nbsp;)。</h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. 计算机视觉是一门研究如何使机器“看”的科学</li>
                            <li tabindex="0">B. 计算机视觉技术就是图像处理技术</li>
                            <li tabindex="0">C. 计算机视觉是最近二十年开始蓬勃发展的</li>
                            <li tabindex="0">D. 数据量，运算力和算法模型是影响计算机视觉行业发展的三大要素</li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> ACD</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> ACD</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813163" data="402813163" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">11. <span class="colorShallow">(多选题)</span>关于HSV颜色空间，下列说法中正确的是（&nbsp;&nbsp;&nbsp;）。</h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. H表示色调，在opencv中的取值范围是0~255</li>
                            <li tabindex="0">B. V表示明度，在opencv中取值范围是0~255，如果是0，表示黑色，255表示白色</li>
                            <li tabindex="0">C. HSV颜色模型是面向用户的，经常应用在提取图片某种颜色的场景</li>
                            <li tabindex="0">D. S表示饱和度，表示颜色接近光谱色的程度，值越大，颜色越饱和</li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> ABCD</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> ABCD</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813166" data="402813166" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">12. <span class="colorShallow">(多选题)</span>Base64是网络上最常见的用于传输8Bit字节代码的编码方式之一，将图片转换为Base64编码，可以很方便进行网络传输，下面关于图片Base64编码说法正确的是（&nbsp;&nbsp;&nbsp;）。</h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. 采用Base64编码具有不可读性，即所编码的数据不会被人用肉眼所直接看到</li>
                            <li tabindex="0">B. Base64编码可用于在HTTP环境下传递较长的标识信息</li>
                            <li tabindex="0">C. 编码后输出的文本末尾可能会出现1或2个’=’</li>
                            <li tabindex="0">D. 仅支持JPG、PNG格式图片编码</li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> ABC</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> ABC</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813161" data="402813161" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">13. <span class="colorShallow">(多选题)</span>:以下哪些是边缘计算的优点（&nbsp;&nbsp;&nbsp;）。</h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. 安全性高</li>
                            <li tabindex="0">B. 低延迟</li>
                            <li tabindex="0">C. 高算力</li>
                            <li tabindex="0">D. 统一协作</li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> AB</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> AB</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813167" data="402813167" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">14. <span class="colorShallow">(多选题)</span>下列哪些是模型优化算法。</h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. RMSProp</li>
                            <li tabindex="0">B. AdaDelta</li>
                            <li tabindex="0">C. ADAM</li>
                            <li tabindex="0">D. SGD</li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> ACD</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> ACD</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813165" data="402813165" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">15. <span class="colorShallow">(多选题)</span>下列有关卷积层说法正确的是（&nbsp;&nbsp;&nbsp;&nbsp;）。</h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. 在卷积层中可以加入激活函数</li>
                            <li tabindex="0">B. 卷积后得到的特征图可以和原图尺寸一致</li>
                            <li tabindex="0">C. 1*1卷积核常用来做降维，无法对原图提取特征</li>
                            <li tabindex="0">D. 卷积核必须为n&nbsp;*&nbsp;n形式，长宽相同</li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> ABC</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> ABC</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813160" data="402813160" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">16. <span class="colorShallow">(多选题)</span>关于Flask框架以下说法正确的是（）。</h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. Flask&nbsp;没有BSD授权</li>
                            <li tabindex="0">B. Flask保留了扩增的弹性</li>
                            <li tabindex="0">C. Flask&nbsp;是一个微型的python开发的web框架</li>
                            <li tabindex="0">D. Flask&nbsp;没有默认使用的数据库、窗体验证工具</li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> BCD</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> BCD</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813168" data="402813168" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">17. <span class="colorShallow">(多选题)</span>
                            <p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">下面是某图像卷积层后的特征切片，采用</span><span style="font-family:Calibri">2X2</span><span style="font-family:宋体">，步长为</span><span style="font-family:Calibri">2</span>
                                <span style="font-family:宋体">池化，下列说法正确的是</span>
                                </span>
                            </p>
                            <p><img src="./作业详情_files/fa11b1e393d8dc0aa94469afaa79faf4.png" data-original="https://p.ananas.chaoxing.com/star3/origin/fa11b1e393d8dc0aa94469afaa79faf4.png"><br></p>
                        </h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. <span style="font-family: 宋体; font-size: 14px;">最小池化后为</span><span style="font-size: 14px;  font-family: Calibri;">[[2 1][1 1]]</span></li>
                            <li tabindex="0">B. <span style="font-family: 宋体; font-size: 14px;">随机池化后为</span><span style="font-size: 14px;  font-family: Calibri;">[[8 5][4 6]]</span></li>
                            <li tabindex="0">C.
                                <p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">最大池化后为</span><span style="font-family:Calibri">[[8 5][4 6]]</span></span>
                                </p>
                                <p><br></p>
                            </li>
                            <li tabindex="0">D. <span style="font-family: 宋体; font-size: 14px;">平均池化后为</span><span style="font-size: 14px;  font-family: Calibri;">[[8 5][4 6]]</span></li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> ABCD</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> ABCD</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813164" data="402813164" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">18. <span class="colorShallow">(多选题)</span>霍夫变换经常可以用来（&nbsp;&nbsp;&nbsp;）。</h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. 检测图像中的噪点</li>
                            <li tabindex="0">B. 检测图像中的圆形</li>
                            <li tabindex="0">C. 检测图像的前景</li>
                            <li tabindex="0">D. 检测图像中的直线</li>
                        </ul>

                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> BCD</span>
                                <span class="colorGreen marginRight40 fl"><i class="fontWeight">正确答案:</i> BCD</span>
                            </div>
                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>
                </div>




                <div class="mark_item">
                    <h2 class="type_tit" tabindex="0">三. 判断题（共4题，19分）</h2>


                    <div class="marBom60 questionLi" id="question402813170" data="402813170" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">19. <span class="colorShallow">(判断题)</span>
                            <p><span style=";font-family:宋体;font-size:14px">根据已标注样本对剩余样本进行预测可以视作监督学习。</span></p>
                            <p><br></p>
                        </h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. 对</li>
                            <li tabindex="0">B. 错</li>
                        </ul>
                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> 对</span>
                                <span class="colorGreen marginRight40 fl">
																											        										<i class="fontWeight">正确答案:</i> 对
		            										            																															</span>
                            </div>

                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813171" data="402813171" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">20. <span class="colorShallow">(判断题)</span>
                            <p><span style=";font-family:宋体;font-size:14px">机器学习属于深度学习的一种方法。</span></p>
                            <p><br></p>
                        </h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. 对</li>
                            <li tabindex="0">B. 错</li>
                        </ul>
                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> 错</span>
                                <span class="colorGreen marginRight40 fl">
																											            										        										<i class="fontWeight">正确答案:</i> 错
		            																															</span>
                            </div>

                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813169" data="402813169" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">21. <span class="colorShallow">(判断题)</span>
                            <p><span style=";font-family:宋体;font-size:14px">使用分水岭算法之前通常会根据先验知识给不同的区域打上标签，其目的是为了减少因为噪声引起的过度分割。</span></p>
                            <p><br></p>
                        </h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. 对</li>
                            <li tabindex="0">B. 错</li>
                        </ul>
                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> 对</span>
                                <span class="colorGreen marginRight40 fl">
																											        										<i class="fontWeight">正确答案:</i> 对
		            										            																															</span>
                            </div>

                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>4.5</i>分</div>
                            </div>


                        </div>

                    </div>


                    <div class="marBom60 questionLi" id="question402813172" data="402813172" tabindex="0" aria-label="题目详情">
                        <h3 class="mark_name colorDeep" tabindex="0">22. <span class="colorShallow">(判断题)</span>
                            <p><span style=";font-family:宋体;font-size:14px"><span style="font-family:宋体">模型损失在训练过程中没有明显下降可能是因为学习率过小。</span>&nbsp; &nbsp;</span>
                            </p>
                            <p><br></p>
                        </h3>
                        <ul class="mark_letter colorDeep">
                            <li tabindex="0">A. 对</li>
                            <li tabindex="0">B. 错</li>
                        </ul>
                        <div class="mark_answer" tabindex="0">
                            <div class="mark_key clearfix">
                                <span class="colorDeep marginRight40 fl"><i class="fontWeight">我的答案:</i> 错</span>
                                <span class="colorGreen marginRight40 fl">
																											            										        										<i class="fontWeight">正确答案:</i> 错
		            																															</span>
                            </div>

                            <div class="mark_score">
                                <div class=" fl catalog_tishi80">
                                    <div class="mark_judge_name">
                                        <span class="marking_dui"></span>
                                    </div>
                                </div>
                                <div class="totalScore fr"><i>5.5</i>分</div>
                            </div>


                        </div>

                    </div>
                </div>
            </div>
        </div>

        <div class="fanyaMarking_right" id="rightHeight" style="max-height: 595px; top: 70px;">
            <div class="topicNumber" id="topicNumberScroll" tabindex="0" aria-label="答题卡" style="max-height: 515px; overflow: hidden; outline: none;">




                <div class="topicNumber_checkbox colorDeep fs14" tabindex="0">
                    一. 单选题（40.5分） </div>
                <ul class="topicNumber_list clearfix" tabindex="0" role="listbox" aria-label="题目">
                    <li id="answerSheet402813153" data="402813153" class="active current" tabindex="0" role="listitem">1</li>
                    <li id="answerSheet402813154" data="402813154" class="active" tabindex="0" role="listitem">2</li>
                    <li id="answerSheet402813157" data="402813157" class="active" tabindex="0" role="listitem">3</li>
                    <li id="answerSheet402813152" data="402813152" class="active" tabindex="0" role="listitem">4</li>
                    <li id="answerSheet402813158" data="402813158" class="active" tabindex="0" role="listitem">5</li>
                    <li id="answerSheet402813156" data="402813156" class="active" tabindex="0" role="listitem">6</li>
                    <li id="answerSheet402813151" data="402813151" class="active" tabindex="0" role="listitem">7</li>
                    <li id="answerSheet402813159" data="402813159" class="active" tabindex="0" role="listitem">8</li>
                    <li id="answerSheet402813155" data="402813155" class="active" tabindex="0" role="listitem">9</li>
                </ul>




                <div class="topicNumber_checkbox colorDeep fs14" tabindex="0">
                    二. 多选题（40.5分） </div>
                <ul class="topicNumber_list clearfix" tabindex="0" role="listbox" aria-label="题目">
                    <li id="answerSheet402813162" data="402813162" class="active" tabindex="0" role="listitem">10</li>
                    <li id="answerSheet402813163" data="402813163" class="active" tabindex="0" role="listitem">11</li>
                    <li id="answerSheet402813166" data="402813166" class="active" tabindex="0" role="listitem">12</li>
                    <li id="answerSheet402813161" data="402813161" class="active" tabindex="0" role="listitem">13</li>
                    <li id="answerSheet402813167" data="402813167" class="active" tabindex="0" role="listitem">14</li>
                    <li id="answerSheet402813165" data="402813165" class="active" tabindex="0" role="listitem">15</li>
                    <li id="answerSheet402813160" data="402813160" class="active" tabindex="0" role="listitem">16</li>
                    <li id="answerSheet402813168" data="402813168" class="active" tabindex="0" role="listitem">17</li>
                    <li id="answerSheet402813164" data="402813164" class="active" tabindex="0" role="listitem">18</li>
                </ul>




                <div class="topicNumber_checkbox colorDeep fs14" tabindex="0">
                    三. 判断题（19分） </div>
                <ul class="topicNumber_list clearfix" tabindex="0" role="listbox" aria-label="题目">
                    <li id="answerSheet402813170" data="402813170" class="active" tabindex="0" role="listitem">19</li>
                    <li id="answerSheet402813171" data="402813171" class="active" tabindex="0" role="listitem">20</li>
                    <li id="answerSheet402813169" data="402813169" class="active" tabindex="0" role="listitem">21</li>
                    <li id="answerSheet402813172" data="402813172" class="active" tabindex="0" role="listitem">22</li>
                </ul>
            </div>
            <div id="ascrail2000" class="nicescroll-rails nicescroll-rails-vr" style="width: 8px; z-index: auto; cursor: default; position: absolute; top: 0px; left: 272px; height: 433px; opacity: 0; display: none;">
                <div class="nicescroll-cursors" style="position: relative; top: 0px; float: right; width: 8px; height: 0px; background-color: rgb(230, 236, 245); background-clip: padding-box; border-radius: 5px;"></div>
            </div>
            <div id="ascrail2000-hr" class="nicescroll-rails nicescroll-rails-hr" style="height: 8px; z-index: auto; top: 425px; left: 0px; position: absolute; cursor: default; display: none; width: 272px; opacity: 0;">
                <div class="nicescroll-cursors" style="position: absolute; top: 0px; height: 8px; width: 0px; background-color: rgb(230, 236, 245); background-clip: padding-box; border-radius: 5px; left: 0px;"></div>
            </div>
        </div>
    </div>

    <div class="maskDiv popMoveShowHide" style="display:none;" id="recordList">
        <div class="popDiv wid640 popMove">
            <div class="popHead">
                <a href="javascript:;" onclick="closeAnswers();" class="popClose popMoveDele fr"><img src="./作业详情_files/popClose.png"></a>
                <p class="fl fs18 colorDeep">作答记录</p>
            </div>
            <div class="het62"></div>
            <p class="tips_info"><i class="tipsIcon"></i>本次作业以最高分数为最终成绩</p>
            <div id="content"></div>
        </div>
    </div>

    <link rel="stylesheet" type="text/css" href="./作业详情_files/prompt.css">
    <style>
        .mask-no-bg {
            background: none!important;
        }
        
        .mask-no-bg .popDiv {
            box-shadow: 0px 4px 36px rgba(0, 0, 0, 0.08);
        }
    </style>
    <div class="maskDiv" style="display:none;" id="workpop">
        <div class="popDiv wid440 Marking">
            <div class="popHead" id="workpopFocus" role="alertdialog" tabindex="0">
                <a id="popCloseFocus" href="javascript:;" class="popClose fr" onclick="$(&#39;#workpop&#39;).hide();$(&#39;.popSetupShowHide&#39;).fullFadeOut();" tabindex="-1"><img src="./作业详情_files/popClose(1).png" id="popCloseFocusImg" onkeydown="if(event.keyCode == 13){popCloseFocus();}" role="button" tabindex="-1" aria-label="关闭"></a>
                <p class="fl fs18 colorDeep" tabindex="0" role="listitem">提示</p>
            </div>
            <div class="het62"></div>
            <p class="popWord fs16 colorIn" id="popcontent" tabindex="0"></p>

            <div class="popBottom">
                <a href="javascript:;" id="popok" class="jb_btn jb_btn_92 fr fs14" tabindex="0" role="button" aria-label="确定"></a>
                <a href="javascript:;" id="popno" class="btnBlue btn_92_cancel fr fs14" onkeydown="popnoFocus();" tabindex="0" role="button" aria-label="取消"></a>
            </div>
            <div class="het72"></div>
        </div>
    </div>

    <div class="mask-no-bg" style="display:none;" id="worktoast">
        <div class="popDiv wid440 Marking" style="top: 30%;">
            <div class="popHead">
                <a href="javascript:;" class="popClose fr" onclick="$(&#39;#worktoast&#39;).hide();$(&#39;.popSetupShowHide&#39;).fullFadeOut();"><img src="./作业详情_files/popClose(1).png"></a>
                <p class="fl fs18 colorDeep">提示</p>
            </div>
            <div class="het62"></div>
            <p class="popWord fs16 colorIn" id="toastcontent"></p>

            <div class="popBottom">
                <a href="javascript:;" id="toastok" class="jb_btn jb_btn_92 fr fs14"></a>
                <a href="javascript:;" id="toastno" class="btnBlue btn_92_cancel fr fs14"></a>
            </div>
            <div class="het72"></div>
        </div>
    </div>

    <script>
        function workPop(content, okTent, cancelTent, okcallback, cancelCallback) {
            var ta = $("#workpop");

            $(".popSetupShowHide").fullFadeIn();
            ta.show();

            $("#popcontent").html(content);

            var ok = $("#popok");
            ok.html(okTent);
            ok.unbind();
            ok.on("click", function() {
                okcallback && okcallback(ta);
                ta.hide();
                $(".popSetupShowHide").fullFadeOut();
            });

            var cancel = $("#popno");
            cancel.html(cancelTent);
            cancel.unbind();
            cancel.on("click", function() {
                cancelCallback && cancelCallback(ta);
                ta.hide();
                $(".popSetupShowHide").fullFadeOut();
            });
            $("#workpopFocus").focus();
        }

        function workToast(content, okTent, cancelTent, okcallback, cancelCallback) {
            var ta = $("#worktoast");

            $(".popSetupShowHide").fullFadeIn();
            ta.show();

            $("#toastcontent").html(content);

            var ok = $("#toastok");
            ok.html(okTent);
            ok.unbind();
            ok.on("click", function() {
                okcallback && okcallback(ta);
                ta.hide();
                $(".popSetupShowHide").fullFadeOut();
            });

            var cancel = $("#toastno");
            cancel.html(cancelTent);
            cancel.unbind();
            cancel.on("click", function() {
                cancelCallback && cancelCallback(ta);
                ta.hide();
                $(".popSetupShowHide").fullFadeOut();
            });
        }

        function popFocus() {
            $("#popCloseFocusImg").attr("tabindex", "0");
            $("#popCloseFocus").focus();
        }

        function popCloseFocus() {
            $('#workpop').hide();
            $('.popSetupShowHide').fullFadeOut();
            $("#popCloseFocusImg").attr("tabindex", "-1");
        }

        function popnoFocus() {
            if (event.keyCode == 9) {
                popFocus();
            }
            if (event.keyCode == 13) {
                $("#popCloseFocusImg").attr("tabindex", "-1");
            }
        }
    </script>
    <script>
        var courseId = $("#courseId").val();
        var classId = $("#classId").val();
        var cpi = $("#cpi").val();
        var workId = $("#workId").val();
        var answerId = $("#answerId").val();
        var enc = $("#enc").val();

        function redoWork() {

            var redoTimes = 10 + 0 - 0;
            var msg = "你还可以重做" + redoTimes + "次，确认重做后，前一次作答记录会被覆盖，作业成绩以最高成绩为最终成绩，是否继续？";

            workPop(msg, "重做", "取消", function() {
                $.ajax({
                    type: "get",
                    url: "/work/phone/redo",
                    dataType: "json",
                    data: {
                        courseId: courseId,
                        classId: classId,
                        cpi: cpi,
                        workId: workId,
                        workAnswerId: answerId
                    },
                    success: function(data) {
                        if (data.status == 1) {
                            location.href = "/mooc2/work/dowork?courseId=230023612&classId=66739983&cpi=174773584&workId=24666687&answerId=51837745&knowledgeId=&jobid=&standardEnc=e331a9c01eac367ca3a0bbec908d22a3&enc=b31cd4ef35c1df8ea583bd525681e387";
                        } else {
                            $.toast({
                                type: 'failure',
                                content: data.msg
                            });
                        }
                    }
                });
            });
        }

        var recordLock = 0

        function answerList() {
            if (recordLock == 1) {
                return;
            }
            recordLock = 1;

            $.ajax({
                type: "get",
                url: "/mooc2/work/answer-list",
                dataType: "html",
                data: {
                    courseId: courseId,
                    classId: classId,
                    cpi: cpi,
                    workId: workId,
                    answerId: answerId,
                    enc: enc
                },
                success: function(data) {
                    $("#content").html(data);
                    $("#recordList").show();
                    MoveFixed();
                }
            });
        }

        function closeAnswers() {
            $("#recordList").hide();
            recordLock = 0;
        }

        function MoveFixed() {
            $('.popMove').css({
                top: function() {
                    return ($(window).height() - $(this).height()) / 2;
                },
                left: function() {
                    return ($(window).width() - $(this).width()) / 2;
                }
            });

            $("#boxscroll").niceScroll({
                cursorborder: "",
                cursorcolor: "#D9DDE1",
                boxzoom: false
            });
        }
    </script>


</body>

</html>